2426780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 5171040

約数和(自身を除く): 2744260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1709, 3418, 6836, 8545, 17090, 34180, 121339, 242678, 485356, 606695, 1213390, 2426780]

約数ペア:

[(1, 2426780), (2, 1213390), (4, 606695), (5, 485356), (10, 242678), (20, 121339), (71, 34180), (142, 17090), (284, 8545), (355, 6836), (710, 3418), (1420, 1709)]